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Finding the Fourth Proportional to 598,339.31, 825,892.45 and 368,968.57

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Solution

The fourth proportional to 598,339.31, 825,892.45 and 368,968.57 is: 509,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,339.31 : 825,892.45 = 368,968.57 : x
  2. Step 2: Convert to fraction form
    598,339.31/825,892.45 = 368,968.57/x
  3. Step 3: Cross multiply
    598,339.31x = 825,892.45 × 368,968.57
  4. Step 4: Simplify right side
    598,339.31x = 304,728,353,263.14
  5. Step 5: Solve for x
    x = 304,728,353,263.14/598,339.31
  6. Step 6: Final answer
    x = 509,290.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.